Soft silicone with smooth edges. Easy to wear. Simply slap on your wrist and it will make a comfortable grip based on your wrist size, wraps around the other end and you are good to go. It brings so much joy and excitement when using it as a birthday giveaway, party favors, classroom rewards, pinata fillers. Easter stuffers, event souvenirs and more. 8 7/16''L x 1''W